Answer:
Sexual reproduction increases the genetic variation within the population, because new individuals are made by randomly combining genetic material from two parents. Because only fit individuals reach sexual maturity and reproduce, the overall population tends toward increasing fitness in its environment.
Explanation:
The answer is osteoporosis
Osteoporosis is a condition when the bone(osteo) density is decreased, makes them look like having pore or spongy. It is found frequently in the elder woman that has been menopause for a few years.
Estrogen has a role in bone remodeling which causes a protective effect on woman before menopause.
Answer:
Rabbit's population will reduce drastically
Explanation:
As it is clear from the given description, that drought adversely affects the production of flower and berries and hence the population of rabbits depending on berries and flowers will be adversely affected. Therefore, there are high chances of rabbits dying because of insufficient food during drought
Also, the foxes and hawks feed on the babies of rabbit. This further reduces the population of rabbits as the new ones are killed before attaining fertility.
Overall due to both predation (by foxes and hawks) and the drought the population will reduce drastically.
Yes it could be when you breath in helium it is not normal air so,it goes around your voice box and makes it change and it will go away after a 1